L78M24ABV

Product Overview

Category: Voltage Regulator
Use: Provides a stable output voltage of 24V
Characteristics: High efficiency, low dropout voltage, thermal shutdown protection
Package: TO-220
Essence: Linear voltage regulator
Packaging/Quantity: Available in tape and reel packaging, quantity per reel: 2,500 units

Specifications

Input Voltage: 25V to 35V
Output Voltage: 24V
Output Current: Up to 500mA
Dropout Voltage: 2V (typical)
Line Regulation: ±0.04% (typical)
Load Regulation: ±0.1% (typical)
Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The L78M24ABV voltage regulator has three pins:

Input (VIN): Connects to the input voltage source.
Ground (GND): Connected to the ground reference.
Output (VOUT): Provides the regulated output voltage.

Functional Features

High Efficiency: The L78M24ABV offers high efficiency, minimizing power dissipation.
Low Dropout Voltage: With a low dropout voltage of 2V, it can regulate the output voltage even when the input voltage is close to the desired output voltage.
Thermal Shutdown Protection: The device includes thermal shutdown protection, preventing damage due to excessive temperature.

Advantages and Disadvantages

Advantages: - Provides a stable output voltage of 24V - High efficiency - Low dropout voltage - Thermal shutdown protection

Disadvantages: - Limited output current capacity (up to 500mA)

Working Principles

The L78M24ABV is a linear voltage regulator that uses a series pass transistor to regulate the output voltage. It compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage of 24V.

Detailed Application Field Plans

The L78M24ABV is commonly used in various applications, including: - Power supplies for industrial equipment - Automotive electronics - Telecommunications equipment - Audio amplifiers - LED lighting systems

Detailed and Complete Alternative Models

LM317: Adjustable voltage regulator with a wide input voltage range.
LM7805: Fixed 5V voltage regulator with higher output current capacity.
LT1084: Adjustable voltage regulator with low dropout voltage and high output current capability.

These alternative models offer different features and specifications, providing flexibility for various application requirements.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van L78M24ABV in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of L78M24ABV in technical solutions:

Q: What is L78M24ABV? A: L78M24ABV is a voltage regulator IC that provides a fixed output voltage of 24V.
Q: What is the input voltage range for L78M24ABV? A: The input voltage range for L78M24ABV is typically between 25V and 35V.
Q: What is the maximum output current of L78M24ABV? A: The maximum output current of L78M24ABV is 500mA.
Q: Can L78M24ABV handle higher input voltages than its output voltage? A: No, L78M24ABV is designed to regulate the output voltage to a fixed value and cannot handle higher input voltages.
Q: Is L78M24ABV suitable for both AC and DC input voltages? A: Yes, L78M24ABV can accept both AC and DC input voltages.
Q: Does L78M24ABV require any external components for operation? A: Yes, L78M24ABV requires input and output capacitors for stable operation. Refer to the datasheet for recommended values.
Q: Can L78M24ABV be used in automotive applications? A: Yes, L78M24ABV is suitable for automotive applications as it can withstand high temperatures and has built-in protection features.
Q: What is the thermal resistance of L78M24ABV? A: The thermal resistance of L78M24ABV is typically around 50°C/W, which determines its ability to dissipate heat.
Q: Can L78M24ABV be used in parallel for higher output current? A: No, L78M24ABV is not designed for parallel operation. Using multiple regulators in parallel can lead to instability and other issues.
Q: What are some typical applications of L78M24ABV? A: L78M24ABV is commonly used in various electronic devices such as power supplies, industrial control systems, and automotive electronics where a stable 24V voltage source is required.

Please note that these answers are general and may vary depending on the specific datasheet and application requirements.